/// <summary>
/// Create a new Node for communication with an NDN hub with the given
/// Transport object and connectionInfo.
/// </summary>
///
/// <param name="transport">A Transport object used for communication.</param>
/// <param name="connectionInfo"></param>
public Node(Transport transport, Transport.ConnectionInfo connectionInfo)
{
this.pendingInterestTable_ = new PendingInterestTable();
this.interestFilterTable_ = new InterestFilterTable();
this.registeredPrefixTable_ = new RegisteredPrefixTable(
interestFilterTable_);
this.delayedCallTable_ = new DelayedCallTable();
this.onConnectedCallbacks_ = ILOG.J2CsMapping.Collections.Collections
.synchronizedList(new ArrayList());
this.commandInterestGenerator_ = new CommandInterestGenerator();
this.timeoutPrefix_ = new Name("/local/timeout");
this.lastEntryIdLock_ = new Object();
this.connectStatus_ = net.named_data.jndn.Node.ConnectStatus.UNCONNECTED;
transport_ = transport;
connectionInfo_ = connectionInfo;
}
/// <summary>
/// Create a new Face for communication with an NDN hub with the given
/// Transport object and connectionInfo.
/// </summary>
///
/// <param name="transport">A Transport object used for communication.</param>
/// <param name="connectionInfo"></param>
public Face(Transport transport, Transport.ConnectionInfo connectionInfo)
{
this.commandKeyChain_ = null;
this.commandCertificateName_ = new Name();
node_ = new Node(transport, connectionInfo);
}
/// <summary>
/// Connect according to the info in ConnectionInfo, and use elementListener.
/// </summary>
///
/// <param name="connectionInfo">A TcpTransport.ConnectionInfo.</param>
/// <param name="elementListener"></param>
/// <param name="onConnected"></param>
/// <exception cref="IOException">For I/O error.</exception>
public override void connect(Transport.ConnectionInfo connectionInfo,
ElementListener elementListener, IRunnable onConnected)
{
close();
socket_ = connectSocket
(((ConnectionInfo)connectionInfo).getHost(),
((ConnectionInfo)connectionInfo).getPort());
elementReader_ = new ElementReader(elementListener);
if (onConnected != null)
onConnected.run();
}
/// <summary>
/// Determine whether this transport connecting according to connectionInfo is
/// to a node on the current machine. This affects the processing of
/// Face.registerPrefix(): if the NFD is local, registration occurs with the
/// '/localhost/nfd...' prefix; if non-local, the library will attempt to use
/// remote prefix registration using '/localhop/nfd...'
/// </summary>
///
/// <param name="connectionInfo">A ConnectionInfo with the host to check.</param>
/// <returns>True if the host is local, false if not.</returns>
public override bool isLocal(Transport.ConnectionInfo connectionInfo)
{
if (connectionInfo_ == null ||
((ConnectionInfo)connectionInfo).getHost() != connectionInfo_.getHost()) {
isLocal_ = getIsLocal(((ConnectionInfo)connectionInfo).getHost());
connectionInfo_ = (ConnectionInfo)connectionInfo;
}
return isLocal_;
}
/// <summary> /// Determine whether this transport connecting according to connectionInfo is /// to a node on the current machine. This affects the processing of /// Face.registerPrefix(): if the NFD is local, registration occurs with the /// '/localhost/nfd...' prefix; if non-local, the library will attempt to use /// remote prefix registration using '/localhop/nfd...' /// </summary> /// /// <param name="connectionInfo">A ConnectionInfo with the host to check.</param> /// <returns>True if the host is local, false if not.</returns> /// <exception cref="System.IO.IOException"></exception> public abstract bool isLocal(Transport.ConnectionInfo connectionInfo);
/// <summary>
/// Connect according to the info in ConnectionInfo, and use elementListener.
/// </summary>
///
/// <param name="connectionInfo">An object of a subclass of ConnectionInfo.</param>
/// <param name="elementListener"></param>
/// <param name="onConnected"></param>
/// <exception cref="IOException">For I/O error.</exception>
public virtual void connect(Transport.ConnectionInfo connectionInfo,
ElementListener elementListener, IRunnable onConnected)
{
throw new NotSupportedException("connect is not implemented");
}
/// <summary>
/// Create a new ThreadPoolFace for communication with an NDN hub with the given
/// Transport object and connectionInfo.
/// </summary>
///
/// <param name="threadPool">is also used to schedule the interest timeouts.</param>
/// <param name="transport">like AsyncTcpTransport, in which case the transport should use the same ioService.</param>
/// <param name="connectionInfo"></param>
public ThreadPoolFace(ScheduledExecutorService threadPool,
Transport transport, Transport.ConnectionInfo connectionInfo)
: base(transport, connectionInfo)
{
threadPool_ = threadPool;
}
